Soft iron is generally considered to be a '__________' magnetic material, and can be used to make __________ magnets
A) hard, temporary
B) hard, permanent
C) soft, temporary
D) soft, permanent
Correct Answer:
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Q13: The intensity of a magnetic field is
Q14: The intensity of the external magnetic field
Q15: Soft' magnetic materials are _ to magnetise,
Q16: Hard' magnetic materials are _ to magnetise,
Q17: Soft' magnetic materials are used to make
Q18: Hard' magnetic materials are used to make
Q19: Steel is generally considered to be a
Q21: A 'domain' is the name given to
A)
Q22: When a magnet's 'domains' are all aligned,
Q23: When a magnet is broken in two,
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